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3 years ago

11

An experiment consists of randomly selecting a card from a box containing cards numbered 1-12. Which has the smallest probabilit

y?
F. P(greater than 8)
G. P(multiple of 4)
H. P(even number)
J. P(less than 5)

1 answer:

deff fn [24]3 years ago

3 0

G. P(multiple of 4) is the answer

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Mileage tests are conducted for a particular model of automobile. If a 98% confidence interval with a margin of error of 1 mile

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Answer: 37

Step-by-step explanation:

Given : Significance level : $\alpha:1-0.98=0.02$

Critical value : $z_{\alpha/2}=z_{0.01}=2.33$

margin of error : E= 1 mile per gallon

Population standard deviation: $\sigma=2.6$ miles per gallon.

We know that when the population standard deviation is known then the formula to find the sample size is given by :

$n=(\dfrac{z_{\alpha/2}\times \sigma}{E})^2$

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Hence, the required number of automobiles should be used in the test = 37

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4 years ago

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olya-2409 [2.1K]

8/6 = 14/x
8x = 84
x = 10.5
The length of GD = 10.5
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4 years ago

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valkas [14]

Answer:

How much is the ouside of the box?

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3 years ago

A train travels 146 miles in 2 hours. At this rate, how many miles will it travel in 3.5 hours?

Svetllana [295]

Answer:

255.5 miles

Step-by-step explanation:

146 miles - 2 hours

x miles - 3.5 hours

Cross multiply

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Divide both sides by 2

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professor190 [17]

Answer:

39.7%

Step-by-step explanation:

(actual value - estimated value) / actual value

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3 years ago